111011220221222 has 8 divisors (see below), whose sum is σ = 166516958186400. Its totient is φ = 55505567492424.

The previous prime is 111011220221089. The next prime is 111011220221269. The reversal of 111011220221222 is 222122022110111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 111011220221194 and 111011220221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17947022 + ... + 23326337.

It is an arithmetic number, because the mean of its divisors is an integer number (20814619773300).

Almost surely, 2^{111011220221222} is an apocalyptic number.

111011220221222 is a deficient number, since it is larger than the sum of its proper divisors (55505737965178).

111011220221222 is a wasteful number, since it uses less digits than its factorization.

111011220221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42618190.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 111011220221222 its reverse (222122022110111), we get a palindrome (333133242331333).

The spelling of 111011220221222 in words is "one hundred eleven trillion, eleven billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".